BibTeX

@ARTICLE{iumj21074,
    author = "Herbert Amann",
     title = "Existence of Multiple Solutions for Nonlinear Elliptic Boundary Value Problems",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 10,
     pages = "925--935",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21074}{article}{
     author = {Amann, Herbert},
      title = {Existence of Multiple Solutions for Nonlinear Elliptic Boundary Value Problems},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {10},
      pages = {925 \ndash 935},
}